Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
  • B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
  • B65D41/04—Threaded or like caps or cap-like covers secured by rotation
  • B65D41/0471—Threaded or like caps or cap-like covers secured by rotation with means for positioning the cap on the container, or for limiting the movement of the cap, or for preventing accidental loosening of the cap
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
  • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
  • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
  • B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
  • B65D41/3423—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt

Definitions

• the present invention concerns a packing with screw thread preferably of plastic mate- rial, and including a container body with associated lid, the mouth of the container body being constituted by a cylindric extension with circular cross-section, the cylin- dric extension having an inner side facing the cavity of the container body, and an outer side including an annular section projecting therefrom, including a number of open grooves that are substantially evenly distributed along the outer side circumfer- ence, oriented towards the rim of the mouth and having a bottom, where the lid, which is constituted by a flattish, largely circular body with a diameter greater than the diameter of the cylindric extension, with an upper side and an underside, interacts with the cylindric extension for closing the mouth of the packing, as the lid along the periphery includes an annular section oriented towards the underside of the lid, the side of the lid facing the outer side of the cylindric extension having screw threads for reception in the grooves by placing the lid on the mouth and by making
• Such packings are e.g. known from US 4,257,526 that indicates a closing device for a bottle where the lid is screwed on with a thread with relatively great pitch so that the lid can be removed and mounted by turning the lid about one quarter of a turn relative to the container body.
• the said closing device also includes a recess in the bottom of grooves in the external rim of the bottleneck, which is intended for receiving projections on thread projections interacting with the groove for screwing on the lid.
• the lid is thus arrested by the thread projections being brought into engagement with the grooves by a mutually relative turning movement between the lid and the bottle, whereby the said projections slide down into the re- Completes in the grooves, whereby the lid is secured to some degree in the closed position.
• soft drink bottles which further include a sealing, consisting of a ring disposed annularly at the neck with barbs that are embedded in an annular recess close to the lower edge of the cover, the ring being spotwise fastened to the underside of the cover in such a way that by turning the cover, the said spotwise connections are broken.
• a lid that e.g. may be provided with retaining means ensuring that the lid is secured in position pressed along the rim of the container by a combination of projection and recesses on the container mouth and the lid associated with the container.
• the packing has been made with a lid including a gripping edge on a tab hinge along the periphery of the lid which is folded in connection with opening the packing after breaking a theft protection in order to access unfolding of the said tab hinge.
• the lid is replaced by the said edge of the tab hinge being folded down with the tab hinge in the initial position and the lid is secured in pressed condition against the rim of the con- tainer mouth by pressing down the lid, so that the gripping edge on the inner side of the tab hinge engages a projection/recess on the outer side of the mouth.
• a packing of the kind indicated in the introduction which is characterised in that one half of the arresting means are constituted by a projection provided in at least one of the grooves close to its bottom and oriented transversely of the grooves and standing up from the bottom of the grooves, and that the second half of the arresting means are constituted by the screw threads in the lid having a slit for receiving the projections for detachable arresting of the lid on the mouth in the same moment as the lid assumes the screwed on position on the mouth of the container body with the underside pressed against the rim of the mouth of the container body.
• the side of the lid facing the cavity of the container body may include a membrane centred about the middle of the lid, the membrane constituted by an aniiu- lar, projecting section which at least includes a sloping side edge oriented towards the mouth of the container body and continuing into a side running in parallel with the internal side of the mouth, the side being pressed against the inner side of the mouth at its rim when mounting the lid in the arrested position, simultaneously with the underside of the lid being pressed against the rim of the mouth of the container body.
• the annular projecting section is conical, as the section closest to the upper side of the lid has a diameter at least corresponding to the internal diameter of the cylindric extension of the mouth of the container body, and that the section closest to the underside of the lid has a diameter being less than the internal diameter of the cylindric extension, and that the sloping side edge runs mainly rectilinearly be- tween the part of the section closest to the underside of the lid and the side running in parallel with the internal side of the mouth of the container body.
• the annular section constituting the membrane with the sloping side edge can be recessed in relation to the underside of the part of the lid in contact with the container rim in the mounted, arrested condition of the lid, whereby the extent of the side of the annular, projecting section pressed with the inner side of the mouth is increased.
• a further improved sealing between the lid and the container according to the invention can be attained.
• the freely projecting end edge of the annular section may have a bevelling that slopes from the first side towards the second side of the annularly projecting section.
• a further advantage connected with the conical shape of the lid is that the screw packing according to the invention becomes stackable in empty condition where the lid and container bodies are stacked in respective stable stacks as well as where the packing is filled with a product.
• the possibility of stacking the filled screw packing will be very advantageous in connection with transport, since the conical shape in the lid stabilises the packing placed upon it, if the diameter of the container body in that connection is expected to have a diameter less than the least diameter of the annularly projecting section on the upper side of the lid.
• a spotwisely fastened, annular ring to the underside of which with tab hinges are fastened a plurality of downwards projecting and bendable, interspaced tabs along the entire circumfer- ence of the ring, the tabs being intended for accommodation in the recess at the outer side of the container body by placing the lid in screwed on position on the mouth of the container body so that the free sides of the tabs are in contact with the side limitation in the recess.
• the lid provided with the above theft protection by closing the packing the first time is sealed/theft protected by the tabs being received in the annular recess at the outer side of the container body, and that the annular ring will remain sitting in the said recess by opening the packing by screwing off the lid, as the ring will become released from the annular section of the lid by breaking the spotwise fastenings.
• Fig. 1 is a side view of an embodiment of a screw thread packing according to the invention
• Fig. 2 is a lateral sectional view along the line A-A in Fig.1 of the screw thread packing shown in Fig. 1,
• Fig. 3 is a detail of the screw thread packing shown in Fig. 2 at its mouth
• Fig. 4 is a top view of the screw thread packing shown in Fig. 1
• Fig. 5 is a detail sectional view of the screw thread packing shown in Fig. 1, showing sealing surfaces between the lid and the rim and inner side of the packing,
• Fig. 6 is a perspective view of the packing shown in Fig. 1
• Fig. 7 is a top view of the container body of the screw thread packing shown in Fig.
• Fig 8 is a perspective view of the container body shown in Fig. 7
• Fig 9 is a side view of the container body shown in Fig. 7
• Fig 10 is a side view of a detail of the container body shown in Fig. 9
• Fig 11 is a side view of the container body shown in Fig. 7, slightly turned
• Fig 12 is a lateral sectional view along the line B-B in Fig. 11 of the container body shown in Fig. 7,
• Fig. 13 is a detail sectional view of the container body shown in Fig. 12 at its rim and mouth,
• Fig 14 is a bottom view of a lid to the screw thread packing shown in Fig. 1
• Fig, 15 is a side view of the lid shown in Fig. 14
• Fig 16 is a lateral sectional view along the line C-C in Fig. 14
• Fig 17 is a sectional view of a detail of the lid shown in Fig. 16
• Fig 18 is a sectional view along the line D-D of the lid shown in Fig.
• Fig 19 is an enlarged sectional view of a detail of the lid shown in Fig. 18, and
• Fig 20 is a perspective view of the lid shown in Fig. 14.
• a packing 2 which is relatively made of plastic material.
• the packing is constituted by a container body 4 with a bottom 5 and with associated lid 6 which is placed on the mouth 8 of the container, cf. Fig. 2.
• the mouth of the container body 8, cf. Figs 6 and 8, are constituted by a mainly cylin- dric extension 10 having a circular cross-section.
• the cylindric 10 extension has an inner side 12 facing the cavity 14 of the container body 4, and an outer side 16 that includes an annular section 18 projecting therefrom, cf. Figs. 5, 8-11 and 13, including a number of open grooves 22 that are evenly distributed substantially along the circumference of the outer side and oriented upwards towards the rim 20 of the mouth, cf. Figs. 9-11.
• the grooves 22 are open upwards and are delimited by a bottom 23 in the shape of a stop.
• the grooves are also including a bottom surface 21 at the outer side of the cylindric extension 10.
• the grooves 22 also includes one half of arresting means 40 for interacting arresting of the lid 6 that includes the other half of the arresting means 42.
• the arresting means 40 in the grooves is constituted by a projection 40 which projects from the bottom face 21 close to the stop/bottom 23 of the groove 22, the projection 40 constituted by a top oriented transversely of the groove 22 in the shown embodiment. The use thereof will be described later.
• the section 18 has, as it particularly appears from Fig. 13, an edge forming one side limitation 24 of a recess 26, the other side limitation 28 of which being constituted by a projection 29 at the outer side 30 of the container body 4.
• Figs. 4, 14, 15, 16, 18 and 20 show the embodiment of the packing lid 6 which is constituted by a flattish, mainly circular body 32, the diameter of which being greater than the diameter on the cylindric extension 10 on the container body 4.
• the lid has an upper side 9 and an underside 11 and interacts with the cylindric extension 10 for closing the mouth 8 of the packing, as the lid along the periphery includes an annular section
• the lid is put on the mouth 8 of the container body by providing the lid 6 on the mouth 8 and by subsequently making a relative turning movement between the lid 6 and the container body 4, whereby the screw threads 38 projecting on the lid are accommodated in the grooves, and by the sloping of the grooves 22, the underside 11 of the lid 6 will be pressed against the rim 20 of the cylindric extension 10 constituting the mouth of the container body.
• the screw threads 38 are having some transverse slits 42 at its free ends.
• the said slits 42 are intended for receiving the projections 40 from the bottom face 21 in the grooves 22 when the lid 6 is screwed on by a mutual relative turning between the container body 4 and the lid 6.
• the said clicking sound or snap will be even very distinct, as only a small extra turning force is to be exerted by perfo ⁇ ning the relative turning movement between the lid 6 and the container body 4 during closing of the packing in order to get the material, of which the lid and the container body are made, to yield so much that the front part 43 of the screw threads 38 are passing across the projections 40 in the grooves 22.
• a membrane centred about the middle 48 of the lid in the shape of an annular, projecting section 46 which has an edge 54 sloping towards the rim 20 of the mouth 8 of the container body, which, cf. Fig. 19, continues into a sub- stantially vertically oriented section 55 which by mounting the rim 6 is pressed against the imier side 12 of the mouth 8 at its rim 20.
• the annular, projecting section 46 can be designed so that it is lowered relative to the area where the upper side of the lid continues into the downwards extending, annular section 34 of the lid 4, as it appears from Fig. 19.
• the width of the section 55 which, when the screw thread packing is closed, is pressed against the inner side 12 of the mouth 8, becomes enlarged, thereby also increasing the tightness of the packing against liquids.
• the sloping edge 54 contributes to guiding the lid 4, when it is placed on the rim 20 of the container body.
• the sloping edge 54 furthermore acts a kind of spring that contributes to providing a sufficient pressing force between the section 55 and the inner side 12 of the mouth 8.
• the annular, projecting section 46 is conical, as the section 46 close to the upper side 9 of the lid has a diameter at least corresponding to the internal diameter of the cylindric extension 10 of the mouth 8 of the container body, and which section 46 close to the underside 11 of the lid has a diameter which is less than the internal diameter of the cylindric extension 10, and that the sloping side edge 54 is extending mainly rectilinearly between the part of the section 46 which is closest to the underside 11 of the lid and the side 55 running in parallel with the internal side 12 of the mouth 8 of the container body 4.
• the internal diameter of the section is thereby less than the internal diameter of the cylindric extension 10.
• the sloping edge 54 and the edge 55 entails that by screwing the lid during opening of the lid and the container body performs a relative displacement against each other and entails an efficient pressing of the side 55 running in parallel with the internal side 12 of the mouth 8 of the container body 4 against the internal side 12 of the container mouth 8.
• the recessing of the section 46 furthermore implies that it will be possible to perform a stable stacking of the screw packing 2 in filled/closed condition as well as in separated condition, if only it is ensured that the external diameter of the bottom 5 of the container body 4 is less than or equal to the least diameter of the annular section.
• annular ring 62 is provided secured spotwise on the rim 60 of the annular section 34 of the lid, to the underside 64 of which ring 62 is fastened a plurality of downwards projecting, interspaced tabs 68 along the entire circumference of the ring, the tabs being fastened to the ring 62 by tab hinges 66, the tabs hereby becoming bending, and the tabs are intended for accommodation in the recess 26 on the outer side 30 of the container body, cf. Fig. 5.
• the packing will thus be sealed by means of the free sides 70 of the tabs 68 becoming received in the recess 26 at the putting on of the lid 6 on the mouth of the container body, cf. Figs. 2 and 5, and in case of an attempt to screwing off the lid 6, the ring 62 with the tabs 68 will remain in the recess 26 since the free tabs 68 will be pressed on and caught against the edge 24 in the recess 26 in connection with screwing off, and the ring 62 will be released from the rim 60 by the annular section 34 by breaking the spotwise connection between the ring and the said rim 60.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Closures For Containers (AREA)
• Dowels (AREA)

Applications Claiming Priority (3)

Publications (2)

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Family Applications (1)

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• 2002
  • 2002-12-18 DK DK200201936A patent/DK176440B1/da not_active IP Right Cessation
• 2003
  • 2003-12-15 AU AU2003289704A patent/AU2003289704A1/en not_active Abandoned
  • 2003-12-15 WO PCT/DK2003/000869 patent/WO2004054889A1/en not_active Application Discontinuation
  • 2003-12-15 DE DE60306197T patent/DE60306197T2/de not_active Expired - Lifetime
  • 2003-12-15 EP EP03779727A patent/EP1572550B1/de not_active Expired - Lifetime
  • 2003-12-15 AT AT03779727T patent/ATE329848T1/de not_active IP Right Cessation
  • 2003-12-15 PL PL375987A patent/PL201577B1/pl unknown
  • 2003-12-15 US US10/539,003 patent/US20060113273A1/en not_active Abandoned

Non-Patent Citations (1)

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